Exclusive to the Cisco Catalyst 4503 Switch chassis, the Catalyst 4500 Series Supervisor Engine II-Plus-TS is a 64-Gbps, 48-million packets per second (mpps) Layer 2 through 4 switching engine with 12 ports of wire-speed 10/100/1000 802.3af Power over Ethernet (PoE) and 8 wire-speed Small Form-Factor Pluggable (SFP) ports directly on the supervisor faceplate. These additional ports scale the maximum density of the Catalyst 4503 to 116 ports when deployed with a Catalyst 4500 Series Supervisor Engine II-Plus-TS. The addition of this new supervisor engine allows the Catalyst 4503 to deliver scalability, innovative security, integrated reliability, and flexibility that are affordable and easy to use for the medium-sized business.Optimized for small offices, the Cisco Catalyst 4500 Series Supervisor Engine II-Plus-TS provides a highly flexible and scalable deployment alternative to medium-sized businesses for end-user and server connectivity.